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    • org.openapitools.codegen.languages.AbstractJavaCodegen Maven / Gradle / Ivy

    /*
 * Copyright 2018 OpenAPI-Generator Contributors (https://openapi-generator.tech)
 * Copyright 2018 SmartBear Software
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.openapitools.codegen.languages;

import com.google.common.base.Strings;
import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.oas.models.Operation;
import io.swagger.v3.oas.models.PathItem;
import io.swagger.v3.oas.models.media.ArraySchema;
import io.swagger.v3.oas.models.media.Schema;
import io.swagger.v3.oas.models.media.StringSchema;
import io.swagger.v3.oas.models.servers.Server;
import io.swagger.v3.parser.util.SchemaTypeUtil;
import java.time.LocalDate;
import java.time.ZoneId;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang3.BooleanUtils;
import org.apache.commons.lang3.StringUtils;
import org.openapitools.codegen.*;
import org.openapitools.codegen.meta.features.*;
import org.openapitools.codegen.utils.ModelUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.util.*;
import java.util.regex.Pattern;

import static org.openapitools.codegen.utils.OnceLogger.once;
import static org.openapitools.codegen.utils.StringUtils.*;

public abstract class AbstractJavaCodegen extends DefaultCodegen implements CodegenConfig {

    private static final Logger LOGGER = LoggerFactory.getLogger(AbstractJavaCodegen.class);
    private static final String ARTIFACT_VERSION_DEFAULT_VALUE = "1.0.0";

    public static final String FULL_JAVA_UTIL = "fullJavaUtil";
    public static final String DEFAULT_LIBRARY = "";
    public static final String DATE_LIBRARY = "dateLibrary";
    public static final String JAVA8_MODE = "java8";
    public static final String SUPPORT_ASYNC = "supportAsync";
    public static final String WITH_XML = "withXml";
    public static final String SUPPORT_JAVA6 = "supportJava6";
    public static final String DISABLE_HTML_ESCAPING = "disableHtmlEscaping";
    public static final String BOOLEAN_GETTER_PREFIX = "booleanGetterPrefix";
    public static final String ADDITIONAL_MODEL_TYPE_ANNOTATIONS = "additionalModelTypeAnnotations";

    protected String dateLibrary = "threetenbp";
    protected boolean supportAsync = false;
    protected boolean java8Mode = false;
    protected boolean withXml = false;
    protected String invokerPackage = "org.openapitools";
    protected String groupId = "org.openapitools";
    protected String artifactId = "openapi-java";
    protected String artifactVersion = null;
    protected String artifactUrl = "https://github.com/openapitools/openapi-generator";
    protected String artifactDescription = "OpenAPI Java";
    protected String developerName = "OpenAPI-Generator Contributors";
    protected String developerEmail = "[email protected]";
    protected String developerOrganization = "OpenAPITools.org";
    protected String developerOrganizationUrl = "http://openapitools.org";
    protected String scmConnection = "scm:git:[email protected]:openapitools/openapi-generator.git";
    protected String scmDeveloperConnection = "scm:git:[email protected]:openapitools/openapi-generator.git";
    protected String scmUrl = "https://github.com/openapitools/openapi-generator";
    protected String licenseName = "Unlicense";
    protected String licenseUrl = "http://unlicense.org";
    protected String projectFolder = "src/main";
    protected String projectTestFolder = "src/test";
    protected String sourceFolder = projectFolder + "/java";
    protected String testFolder = projectTestFolder + "/java";
    protected boolean fullJavaUtil;
    protected String javaUtilPrefix = "";
    protected Boolean serializableModel = false;
    protected boolean serializeBigDecimalAsString = false;
    protected String apiDocPath = "docs/";
    protected String modelDocPath = "docs/";
    protected boolean supportJava6 = false;
    protected boolean disableHtmlEscaping = false;
    protected String booleanGetterPrefix = "get";
    protected String parentGroupId = "";
    protected String parentArtifactId = "";
    protected String parentVersion = "";
    protected boolean parentOverridden = false;
    protected List additionalModelTypeAnnotations = new LinkedList<>();

    public AbstractJavaCodegen() {
        super();

        modifyFeatureSet(features -> features
                .includeDocumentationFeatures(DocumentationFeature.Readme)
                .wireFormatFeatures(EnumSet.of(WireFormatFeature.JSON, WireFormatFeature.XML))
                .securityFeatures(EnumSet.noneOf(
                        SecurityFeature.class
                ))
                .excludeGlobalFeatures(
                        GlobalFeature.XMLStructureDefinitions,
                        GlobalFeature.Callbacks,
                        GlobalFeature.LinkObjects,
                        GlobalFeature.ParameterStyling
                )
                .excludeSchemaSupportFeatures(
                        SchemaSupportFeature.Polymorphism
                )
                .includeClientModificationFeatures(
                        ClientModificationFeature.BasePath
                )
        );

        supportsInheritance = true;
        modelTemplateFiles.put("model.mustache", ".java");
        apiTemplateFiles.put("api.mustache", ".java");
        apiTestTemplateFiles.put("api_test.mustache", ".java");
        modelDocTemplateFiles.put("model_doc.mustache", ".md");
        apiDocTemplateFiles.put("api_doc.mustache", ".md");

        hideGenerationTimestamp = false;

        setReservedWordsLowerCase(
                Arrays.asList(
                        // special words
                        "object",
                        // used as internal variables, can collide with parameter names
                        "localVarPath", "localVarQueryParams", "localVarCollectionQueryParams",
                        "localVarHeaderParams", "localVarCookieParams", "localVarFormParams", "localVarPostBody",
                        "localVarAccepts", "localVarAccept", "localVarContentTypes",
                        "localVarContentType", "localVarAuthNames", "localReturnType",
                        "ApiClient", "ApiException", "ApiResponse", "Configuration", "StringUtil",

                        // language reserved words
                        "abstract", "continue", "for", "new", "switch", "assert",
                        "default", "if", "package", "synchronized", "boolean", "do", "goto", "private",
                        "this", "break", "double", "implements", "protected", "throw", "byte", "else",
                        "import", "public", "throws", "case", "enum", "instanceof", "return", "transient",
                        "catch", "extends", "int", "short", "try", "char", "final", "interface", "static",
                        "void", "class", "finally", "long", "strictfp", "volatile", "const", "float",
                        "native", "super", "while", "null")
        );

        languageSpecificPrimitives = new HashSet(
                Arrays.asList(
                        "String",
                        "boolean",
                        "Boolean",
                        "Double",
                        "Integer",
                        "Long",
                        "Float",
                        "Object",
                        "byte[]")
        );
        instantiationTypes.put("array", "ArrayList");
        instantiationTypes.put("map", "HashMap");
        typeMapping.put("date", "Date");
        typeMapping.put("file", "File");

        cliOptions.add(new CliOption(CodegenConstants.MODEL_PACKAGE, CodegenConstants.MODEL_PACKAGE_DESC));
        cliOptions.add(new CliOption(CodegenConstants.API_PACKAGE, CodegenConstants.API_PACKAGE_DESC));
        cliOptions.add(new CliOption(CodegenConstants.INVOKER_PACKAGE, CodegenConstants.INVOKER_PACKAGE_DESC).defaultValue(this.getInvokerPackage()));
        cliOptions.add(new CliOption(CodegenConstants.GROUP_ID, CodegenConstants.GROUP_ID_DESC).defaultValue(this.getGroupId()));
        cliOptions.add(new CliOption(CodegenConstants.ARTIFACT_ID, CodegenConstants.ARTIFACT_ID_DESC).defaultValue(this.getArtifactId()));
        cliOptions.add(new CliOption(CodegenConstants.ARTIFACT_VERSION, CodegenConstants.ARTIFACT_VERSION_DESC).defaultValue(ARTIFACT_VERSION_DEFAULT_VALUE));
        cliOptions.add(new CliOption(CodegenConstants.ARTIFACT_URL, CodegenConstants.ARTIFACT_URL_DESC).defaultValue(this.getArtifactUrl()));
        cliOptions.add(new CliOption(CodegenConstants.ARTIFACT_DESCRIPTION, CodegenConstants.ARTIFACT_DESCRIPTION_DESC).defaultValue(this.getArtifactDescription()));
        cliOptions.add(new CliOption(CodegenConstants.SCM_CONNECTION, CodegenConstants.SCM_CONNECTION_DESC).defaultValue(this.getScmConnection()));
        cliOptions.add(new CliOption(CodegenConstants.SCM_DEVELOPER_CONNECTION, CodegenConstants.SCM_DEVELOPER_CONNECTION_DESC).defaultValue(this.getScmDeveloperConnection()));
        cliOptions.add(new CliOption(CodegenConstants.SCM_URL, CodegenConstants.SCM_URL_DESC).defaultValue(this.getScmUrl()));
        cliOptions.add(new CliOption(CodegenConstants.DEVELOPER_NAME, CodegenConstants.DEVELOPER_NAME_DESC).defaultValue(this.getDeveloperName()));
        cliOptions.add(new CliOption(CodegenConstants.DEVELOPER_EMAIL, CodegenConstants.DEVELOPER_EMAIL_DESC).defaultValue(this.getDeveloperEmail()));
        cliOptions.add(new CliOption(CodegenConstants.DEVELOPER_ORGANIZATION, CodegenConstants.DEVELOPER_ORGANIZATION_DESC).defaultValue(this.getDeveloperOrganization()));
        cliOptions.add(new CliOption(CodegenConstants.DEVELOPER_ORGANIZATION_URL, CodegenConstants.DEVELOPER_ORGANIZATION_URL_DESC).defaultValue(this.getDeveloperOrganizationUrl()));
        cliOptions.add(new CliOption(CodegenConstants.LICENSE_NAME, CodegenConstants.LICENSE_NAME_DESC).defaultValue(this.getLicenseName()));
        cliOptions.add(new CliOption(CodegenConstants.LICENSE_URL, CodegenConstants.LICENSE_URL_DESC).defaultValue(this.getLicenseUrl()));
        cliOptions.add(new CliOption(CodegenConstants.SOURCE_FOLDER, CodegenConstants.SOURCE_FOLDER_DESC).defaultValue(this.getSourceFolder()));
        cliOptions.add(CliOption.newBoolean(CodegenConstants.SERIALIZABLE_MODEL, CodegenConstants.SERIALIZABLE_MODEL_DESC, this.getSerializableModel()));
        cliOptions.add(CliOption.newBoolean(CodegenConstants.SERIALIZE_BIG_DECIMAL_AS_STRING, CodegenConstants.SERIALIZE_BIG_DECIMAL_AS_STRING_DESC, serializeBigDecimalAsString));
        cliOptions.add(CliOption.newBoolean(FULL_JAVA_UTIL, "whether to use fully qualified name for classes under java.util. This option only works for Java API client", fullJavaUtil));
        cliOptions.add(CliOption.newBoolean(CodegenConstants.HIDE_GENERATION_TIMESTAMP, CodegenConstants.HIDE_GENERATION_TIMESTAMP_DESC, this.isHideGenerationTimestamp()));
        cliOptions.add(CliOption.newBoolean(WITH_XML, "whether to include support for application/xml content type and include XML annotations in the model (works with libraries that provide support for JSON and XML)"));

        CliOption dateLibrary = new CliOption(DATE_LIBRARY, "Option. Date library to use").defaultValue(this.getDateLibrary());
        Map dateOptions = new HashMap<>();
        dateOptions.put("java8", "Java 8 native JSR310 (preferred for jdk 1.8+) - note: this also sets \"" + JAVA8_MODE + "\" to true");
        dateOptions.put("threetenbp", "Backport of JSR310 (preferred for jdk < 1.8)");
        dateOptions.put("java8-localdatetime", "Java 8 using LocalDateTime (for legacy app only)");
        dateOptions.put("joda", "Joda (for legacy app only)");
        dateOptions.put("legacy", "Legacy java.util.Date (if you really have a good reason not to use threetenbp");
        dateLibrary.setEnum(dateOptions);
        cliOptions.add(dateLibrary);

        CliOption java8Mode = CliOption.newBoolean(JAVA8_MODE, "Option. Use Java8 classes instead of third party equivalents", this.java8Mode);
        Map java8ModeOptions = new HashMap<>();
        java8ModeOptions.put("true", "Use Java 8 classes such as Base64");
        java8ModeOptions.put("false", "Various third party libraries as needed");
        java8Mode.setEnum(java8ModeOptions);
        cliOptions.add(java8Mode);

        cliOptions.add(CliOption.newBoolean(DISABLE_HTML_ESCAPING, "Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)", disableHtmlEscaping));
        cliOptions.add(CliOption.newString(BOOLEAN_GETTER_PREFIX, "Set booleanGetterPrefix").defaultValue(this.getBooleanGetterPrefix()));
        cliOptions.add(CliOption.newString(ADDITIONAL_MODEL_TYPE_ANNOTATIONS, "Additional annotations for model type(class level annotations)"));

        cliOptions.add(CliOption.newString(CodegenConstants.PARENT_GROUP_ID, CodegenConstants.PARENT_GROUP_ID_DESC));
        cliOptions.add(CliOption.newString(CodegenConstants.PARENT_ARTIFACT_ID, CodegenConstants.PARENT_ARTIFACT_ID_DESC));
        cliOptions.add(CliOption.newString(CodegenConstants.PARENT_VERSION, CodegenConstants.PARENT_VERSION_DESC));
        CliOption snapShotVersion = CliOption.newString(CodegenConstants.SNAPSHOT_VERSION, CodegenConstants.SNAPSHOT_VERSION_DESC);
        Map snapShotVersionOptions = new HashMap<>();
        snapShotVersionOptions.put("true", "Use a SnapShot Version");
        snapShotVersionOptions.put("false", "Use a Release Version");
        snapShotVersion.setEnum(snapShotVersionOptions);
        cliOptions.add(snapShotVersion);

    }

    @Override
    public void processOpts() {
        super.processOpts();

        if (StringUtils.isEmpty(System.getenv("JAVA_POST_PROCESS_FILE"))) {
            LOGGER.info("Environment variable JAVA_POST_PROCESS_FILE not defined so the Java code may not be properly formatted. To define it, try 'export JAVA_POST_PROCESS_FILE=\"/usr/local/bin/clang-format -i\"' (Linux/Mac)");
            LOGGER.info("NOTE: To enable file post-processing, 'enablePostProcessFile' must be set to `true` (--enable-post-process-file for CLI).");
        }

        if (additionalProperties.containsKey(SUPPORT_JAVA6)) {
            this.setSupportJava6(Boolean.valueOf(additionalProperties.get(SUPPORT_JAVA6).toString()));
        }
        additionalProperties.put(SUPPORT_JAVA6, supportJava6);

        if (additionalProperties.containsKey(DISABLE_HTML_ESCAPING)) {
            this.setDisableHtmlEscaping(Boolean.valueOf(additionalProperties.get(DISABLE_HTML_ESCAPING).toString()));
        }
        additionalProperties.put(DISABLE_HTML_ESCAPING, disableHtmlEscaping);

        if (additionalProperties.containsKey(BOOLEAN_GETTER_PREFIX)) {
            this.setBooleanGetterPrefix(additionalProperties.get(BOOLEAN_GETTER_PREFIX).toString());
        }
        additionalProperties.put(BOOLEAN_GETTER_PREFIX, booleanGetterPrefix);

        if (additionalProperties.containsKey(ADDITIONAL_MODEL_TYPE_ANNOTATIONS)) {
            String additionalAnnotationsList = additionalProperties.get(ADDITIONAL_MODEL_TYPE_ANNOTATIONS).toString();

            this.setAdditionalModelTypeAnnotations(Arrays.asList(additionalAnnotationsList.split(";")));
        }

        if (additionalProperties.containsKey(CodegenConstants.INVOKER_PACKAGE)) {
            this.setInvokerPackage((String) additionalProperties.get(CodegenConstants.INVOKER_PACKAGE));
        } else if (additionalProperties.containsKey(CodegenConstants.API_PACKAGE)) {
            // guess from api package
            String derivedInvokerPackage = deriveInvokerPackageName((String) additionalProperties.get(CodegenConstants.API_PACKAGE));
            this.additionalProperties.put(CodegenConstants.INVOKER_PACKAGE, derivedInvokerPackage);
            this.setInvokerPackage((String) additionalProperties.get(CodegenConstants.INVOKER_PACKAGE));
            LOGGER.info("Invoker Package Name, originally not set, is now derived from api package name: " + derivedInvokerPackage);
        } else if (additionalProperties.containsKey(CodegenConstants.MODEL_PACKAGE)) {
            // guess from model package
            String derivedInvokerPackage = deriveInvokerPackageName((String) additionalProperties.get(CodegenConstants.MODEL_PACKAGE));
            this.additionalProperties.put(CodegenConstants.INVOKER_PACKAGE, derivedInvokerPackage);
            this.setInvokerPackage((String) additionalProperties.get(CodegenConstants.INVOKER_PACKAGE));
            LOGGER.info("Invoker Package Name, originally not set, is now derived from model package name: " + derivedInvokerPackage);
        } else {
            //not set, use default to be passed to template
            additionalProperties.put(CodegenConstants.INVOKER_PACKAGE, invokerPackage);
        }

        if (!additionalProperties.containsKey(CodegenConstants.MODEL_PACKAGE)) {
            additionalProperties.put(CodegenConstants.MODEL_PACKAGE, modelPackage);
        }

        if (!additionalProperties.containsKey(CodegenConstants.API_PACKAGE)) {
            additionalProperties.put(CodegenConstants.API_PACKAGE, apiPackage);
        }

        if (additionalProperties.containsKey(CodegenConstants.GROUP_ID)) {
            this.setGroupId((String) additionalProperties.get(CodegenConstants.GROUP_ID));
        } else {
            //not set, use to be passed to template
            additionalProperties.put(CodegenConstants.GROUP_ID, groupId);
        }

        if (additionalProperties.containsKey(CodegenConstants.ARTIFACT_ID)) {
            this.setArtifactId((String) additionalProperties.get(CodegenConstants.ARTIFACT_ID));
        } else {
            //not set, use to be passed to template
            additionalProperties.put(CodegenConstants.ARTIFACT_ID, artifactId);
        }

        if (additionalProperties.containsKey(CodegenConstants.ARTIFACT_URL)) {
            this.setArtifactUrl((String) additionalProperties.get(CodegenConstants.ARTIFACT_URL));
        } else {
            additionalProperties.put(CodegenConstants.ARTIFACT_URL, artifactUrl);
        }

        if (additionalProperties.containsKey(CodegenConstants.ARTIFACT_DESCRIPTION)) {
            this.setArtifactDescription((String) additionalProperties.get(CodegenConstants.ARTIFACT_DESCRIPTION));
        } else {
            additionalProperties.put(CodegenConstants.ARTIFACT_DESCRIPTION, artifactDescription);
        }

        if (additionalProperties.containsKey(CodegenConstants.SCM_CONNECTION)) {
            this.setScmConnection((String) additionalProperties.get(CodegenConstants.SCM_CONNECTION));
        } else {
            additionalProperties.put(CodegenConstants.SCM_CONNECTION, scmConnection);
        }

        if (additionalProperties.containsKey(CodegenConstants.SCM_DEVELOPER_CONNECTION)) {
            this.setScmDeveloperConnection((String) additionalProperties.get(CodegenConstants.SCM_DEVELOPER_CONNECTION));
        } else {
            additionalProperties.put(CodegenConstants.SCM_DEVELOPER_CONNECTION, scmDeveloperConnection);
        }

        if (additionalProperties.containsKey(CodegenConstants.SCM_URL)) {
            this.setScmUrl((String) additionalProperties.get(CodegenConstants.SCM_URL));
        } else {
            additionalProperties.put(CodegenConstants.SCM_URL, scmUrl);
        }

        if (additionalProperties.containsKey(CodegenConstants.DEVELOPER_NAME)) {
            this.setDeveloperName((String) additionalProperties.get(CodegenConstants.DEVELOPER_NAME));
        } else {
            additionalProperties.put(CodegenConstants.DEVELOPER_NAME, developerName);
        }

        if (additionalProperties.containsKey(CodegenConstants.DEVELOPER_EMAIL)) {
            this.setDeveloperEmail((String) additionalProperties.get(CodegenConstants.DEVELOPER_EMAIL));
        } else {
            additionalProperties.put(CodegenConstants.DEVELOPER_EMAIL, developerEmail);
        }

        if (additionalProperties.containsKey(CodegenConstants.DEVELOPER_ORGANIZATION)) {
            this.setDeveloperOrganization((String) additionalProperties.get(CodegenConstants.DEVELOPER_ORGANIZATION));
        } else {
            additionalProperties.put(CodegenConstants.DEVELOPER_ORGANIZATION, developerOrganization);
        }

        if (additionalProperties.containsKey(CodegenConstants.DEVELOPER_ORGANIZATION_URL)) {
            this.setDeveloperOrganizationUrl((String) additionalProperties.get(CodegenConstants.DEVELOPER_ORGANIZATION_URL));
        } else {
            additionalProperties.put(CodegenConstants.DEVELOPER_ORGANIZATION_URL, developerOrganizationUrl);
        }

        if (additionalProperties.containsKey(CodegenConstants.LICENSE_NAME)) {
            this.setLicenseName((String) additionalProperties.get(CodegenConstants.LICENSE_NAME));
        } else {
            additionalProperties.put(CodegenConstants.LICENSE_NAME, licenseName);
        }

        if (additionalProperties.containsKey(CodegenConstants.LICENSE_URL)) {
            this.setLicenseUrl((String) additionalProperties.get(CodegenConstants.LICENSE_URL));
        } else {
            additionalProperties.put(CodegenConstants.LICENSE_URL, licenseUrl);
        }

        if (additionalProperties.containsKey(CodegenConstants.SOURCE_FOLDER)) {
            this.setSourceFolder((String) additionalProperties.get(CodegenConstants.SOURCE_FOLDER));
        }
        additionalProperties.put(CodegenConstants.SOURCE_FOLDER, sourceFolder);

        if (additionalProperties.containsKey(CodegenConstants.SERIALIZABLE_MODEL)) {
            this.setSerializableModel(Boolean.valueOf(additionalProperties.get(CodegenConstants.SERIALIZABLE_MODEL).toString()));
        }

        if (additionalProperties.containsKey(CodegenConstants.LIBRARY)) {
            this.setLibrary((String) additionalProperties.get(CodegenConstants.LIBRARY));
        }

        if (additionalProperties.containsKey(CodegenConstants.SERIALIZE_BIG_DECIMAL_AS_STRING)) {
            this.setSerializeBigDecimalAsString(Boolean.valueOf(additionalProperties.get(CodegenConstants.SERIALIZE_BIG_DECIMAL_AS_STRING).toString()));
        }

        // need to put back serializableModel (boolean) into additionalProperties as value in additionalProperties is string
        additionalProperties.put(CodegenConstants.SERIALIZABLE_MODEL, serializableModel);

        if (additionalProperties.containsKey(FULL_JAVA_UTIL)) {
            this.setFullJavaUtil(Boolean.valueOf(additionalProperties.get(FULL_JAVA_UTIL).toString()));
        }

        if (fullJavaUtil) {
            javaUtilPrefix = "java.util.";
        }
        additionalProperties.put(FULL_JAVA_UTIL, fullJavaUtil);
        additionalProperties.put("javaUtilPrefix", javaUtilPrefix);

        if (additionalProperties.containsKey(WITH_XML)) {
            this.setWithXml(Boolean.valueOf(additionalProperties.get(WITH_XML).toString()));
        }
        additionalProperties.put(WITH_XML, withXml);

        if (additionalProperties.containsKey(CodegenConstants.PARENT_GROUP_ID)) {
            this.setParentGroupId((String) additionalProperties.get(CodegenConstants.PARENT_GROUP_ID));
        }

        if (additionalProperties.containsKey(CodegenConstants.PARENT_ARTIFACT_ID)) {
            this.setParentArtifactId((String) additionalProperties.get(CodegenConstants.PARENT_ARTIFACT_ID));
        }

        if (additionalProperties.containsKey(CodegenConstants.PARENT_VERSION)) {
            this.setParentVersion((String) additionalProperties.get(CodegenConstants.PARENT_VERSION));
        }

        if (!StringUtils.isEmpty(parentGroupId) && !StringUtils.isEmpty(parentArtifactId) && !StringUtils.isEmpty(parentVersion)) {
            additionalProperties.put("parentOverridden", true);
        }

        // make api and model doc path available in mustache template
        additionalProperties.put("apiDocPath", apiDocPath);
        additionalProperties.put("modelDocPath", modelDocPath);

        importMapping.put("List", "java.util.List");

        if (fullJavaUtil) {
            typeMapping.put("array", "java.util.List");
            typeMapping.put("map", "java.util.Map");
            typeMapping.put("DateTime", "java.util.Date");
            typeMapping.put("UUID", "java.util.UUID");
            typeMapping.remove("List");
            importMapping.remove("Date");
            importMapping.remove("Map");
            importMapping.remove("HashMap");
            importMapping.remove("Array");
            importMapping.remove("ArrayList");
            importMapping.remove("List");
            importMapping.remove("Set");
            importMapping.remove("DateTime");
            importMapping.remove("UUID");
            instantiationTypes.put("array", "java.util.ArrayList");
            instantiationTypes.put("map", "java.util.HashMap");
        }

        this.sanitizeConfig();

        // optional jackson mappings for BigDecimal support
        importMapping.put("ToStringSerializer", "com.fasterxml.jackson.databind.ser.std.ToStringSerializer");
        importMapping.put("JsonSerialize", "com.fasterxml.jackson.databind.annotation.JsonSerialize");

        // imports for pojos
        importMapping.put("ApiModelProperty", "io.swagger.annotations.ApiModelProperty");
        importMapping.put("ApiModel", "io.swagger.annotations.ApiModel");
        importMapping.put("BigDecimal", "java.math.BigDecimal");
        importMapping.put("JsonProperty", "com.fasterxml.jackson.annotation.JsonProperty");
        importMapping.put("JsonSubTypes", "com.fasterxml.jackson.annotation.JsonSubTypes");
        importMapping.put("JsonTypeInfo", "com.fasterxml.jackson.annotation.JsonTypeInfo");
        importMapping.put("JsonCreator", "com.fasterxml.jackson.annotation.JsonCreator");
        importMapping.put("JsonValue", "com.fasterxml.jackson.annotation.JsonValue");
        importMapping.put("JsonIgnore", "com.fasterxml.jackson.annotation.JsonIgnore");
        importMapping.put("JsonInclude", "com.fasterxml.jackson.annotation.JsonInclude");
        importMapping.put("SerializedName", "com.google.gson.annotations.SerializedName");
        importMapping.put("TypeAdapter", "com.google.gson.TypeAdapter");
        importMapping.put("JsonAdapter", "com.google.gson.annotations.JsonAdapter");
        importMapping.put("JsonReader", "com.google.gson.stream.JsonReader");
        importMapping.put("JsonWriter", "com.google.gson.stream.JsonWriter");
        importMapping.put("IOException", "java.io.IOException");
        importMapping.put("Objects", "java.util.Objects");
        importMapping.put("StringUtil", invokerPackage + ".StringUtil");
        // import JsonCreator if JsonProperty is imported
        // used later in recursive import in postProcessingModels
        importMapping.put("com.fasterxml.jackson.annotation.JsonProperty", "com.fasterxml.jackson.annotation.JsonCreator");

        if (additionalProperties.containsKey(JAVA8_MODE)) {
            setJava8Mode(Boolean.parseBoolean(additionalProperties.get(JAVA8_MODE).toString()));
            if (java8Mode) {
                additionalProperties.put("java8", "true");
            }
        }

        if (additionalProperties.containsKey(SUPPORT_ASYNC)) {
            setSupportAsync(Boolean.parseBoolean(additionalProperties.get(SUPPORT_ASYNC).toString()));
            if (supportAsync) {
                additionalProperties.put(SUPPORT_ASYNC, "true");
            }
        }

        if (additionalProperties.containsKey(WITH_XML)) {
            setWithXml(Boolean.parseBoolean(additionalProperties.get(WITH_XML).toString()));
            if (withXml) {
                additionalProperties.put(WITH_XML, "true");
            }
        }

        if (additionalProperties.containsKey(DATE_LIBRARY)) {
            setDateLibrary(additionalProperties.get("dateLibrary").toString());
        }

        if ("threetenbp".equals(dateLibrary)) {
            additionalProperties.put("threetenbp", "true");
            additionalProperties.put("jsr310", "true");
            typeMapping.put("date", "LocalDate");
            typeMapping.put("DateTime", "OffsetDateTime");
            importMapping.put("LocalDate", "org.threeten.bp.LocalDate");
            importMapping.put("OffsetDateTime", "org.threeten.bp.OffsetDateTime");
        } else if ("joda".equals(dateLibrary)) {
            additionalProperties.put("joda", "true");
            typeMapping.put("date", "LocalDate");
            typeMapping.put("DateTime", "DateTime");
            importMapping.put("LocalDate", "org.joda.time.LocalDate");
            importMapping.put("DateTime", "org.joda.time.DateTime");
        } else if (dateLibrary.startsWith("java8")) {
            additionalProperties.put("java8", "true");
            additionalProperties.put("jsr310", "true");
            typeMapping.put("date", "LocalDate");
            importMapping.put("LocalDate", "java.time.LocalDate");
            if ("java8-localdatetime".equals(dateLibrary)) {
                typeMapping.put("DateTime", "LocalDateTime");
                importMapping.put("LocalDateTime", "java.time.LocalDateTime");
            } else {
                typeMapping.put("DateTime", "OffsetDateTime");
                importMapping.put("OffsetDateTime", "java.time.OffsetDateTime");
            }
        } else if (dateLibrary.equals("legacy")) {
            additionalProperties.put("legacyDates", "true");
        }
    }

    @Override
    public Map postProcessAllModels(Map objs) {
        objs = super.postProcessAllModels(objs);
        objs = super.updateAllModels(objs);

        if (!additionalModelTypeAnnotations.isEmpty()) {
            for (String modelName : objs.keySet()) {
                Map models = (Map) objs.get(modelName);
                models.put(ADDITIONAL_MODEL_TYPE_ANNOTATIONS, additionalModelTypeAnnotations);
            }
        }

        return objs;
    }

    private void sanitizeConfig() {
        // Sanitize any config options here. We also have to update the additionalProperties because
        // the whole additionalProperties object is injected into the main object passed to the mustache layer

        this.setApiPackage(sanitizePackageName(apiPackage));
        if (additionalProperties.containsKey(CodegenConstants.API_PACKAGE)) {
            this.additionalProperties.put(CodegenConstants.API_PACKAGE, apiPackage);
        }

        this.setModelPackage(sanitizePackageName(modelPackage));
        if (additionalProperties.containsKey(CodegenConstants.MODEL_PACKAGE)) {
            this.additionalProperties.put(CodegenConstants.MODEL_PACKAGE, modelPackage);
        }

        this.setInvokerPackage(sanitizePackageName(invokerPackage));
        if (additionalProperties.containsKey(CodegenConstants.INVOKER_PACKAGE)) {
            this.additionalProperties.put(CodegenConstants.INVOKER_PACKAGE, invokerPackage);
        }
    }

    @Override
    public String escapeReservedWord(String name) {
        if (this.reservedWordsMappings().containsKey(name)) {
            return this.reservedWordsMappings().get(name);
        }
        return "_" + name;
    }

    @Override
    public String apiFileFolder() {
        return (outputFolder + File.separator + sourceFolder + File.separator + apiPackage().replace('.', File.separatorChar)).replace('/', File.separatorChar);
    }

    @Override
    public String apiTestFileFolder() {
        return (outputFolder + File.separator + testFolder + File.separator + apiPackage().replace('.', File.separatorChar)).replace('/', File.separatorChar);
    }

    @Override
    public String modelTestFileFolder() {
        return (outputFolder + File.separator + testFolder + File.separator + modelPackage().replace('.', File.separatorChar)).replace('/', File.separatorChar);
    }

    @Override
    public String modelFileFolder() {
        return (outputFolder + File.separator + sourceFolder + File.separator + modelPackage().replace('.', File.separatorChar)).replace('/', File.separatorChar);
    }

    @Override
    public String apiDocFileFolder() {
        return (outputFolder + File.separator + apiDocPath).replace('/', File.separatorChar);
    }

    @Override
    public String modelDocFileFolder() {
        return (outputFolder + File.separator + modelDocPath).replace('/', File.separatorChar);
    }

    @Override
    public String toApiDocFilename(String name) {
        return toApiName(name);
    }

    @Override
    public String toModelDocFilename(String name) {
        return toModelName(name);
    }

    @Override
    public String toApiTestFilename(String name) {
        return toApiName(name) + "Test";
    }

    @Override
    public String toModelTestFilename(String name) {
        return toModelName(name) + "Test";
    }

    @Override
    public String toApiFilename(String name) {
        return toApiName(name);
    }

    @Override
    public String toVarName(String name) {
        // sanitize name
        name = sanitizeName(name, "\\W-[\\$]"); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.

        if (name.toLowerCase(Locale.ROOT).matches("^_*class$")) {
            return "propertyClass";
        }

        if ("_".equals(name)) {
            name = "_u";
        }

        // numbers are not allowed at the beginning
        if (name.matches("^\\d.*")) {
            name = "_" + name;
        }

        // if it's all uppper case, do nothing
        if (name.matches("^[A-Z0-9_]*$")) {
            return name;
        }

        if (startsWithTwoUppercaseLetters(name)) {
            name = name.substring(0, 2).toLowerCase(Locale.ROOT) + name.substring(2);
        }

        // If name contains special chars -> replace them.
        if ((((CharSequence) name).chars().anyMatch(character -> specialCharReplacements.keySet().contains("" + ((char) character))))) {
            List allowedCharacters = new ArrayList<>();
            allowedCharacters.add("_");
            allowedCharacters.add("$");
            name = escape(name, specialCharReplacements, allowedCharacters, "_");
        }

        // camelize (lower first character) the variable name
        // pet_id => petId
        name = camelize(name, true);

        // for reserved word or word starting with number, append _
        if (isReservedWord(name) || name.matches("^\\d.*")) {
            name = escapeReservedWord(name);
        }

        return name;
    }

    private boolean startsWithTwoUppercaseLetters(String name) {
        boolean startsWithTwoUppercaseLetters = false;
        if (name.length() > 1) {
            startsWithTwoUppercaseLetters = name.substring(0, 2).equals(name.substring(0, 2).toUpperCase(Locale.ROOT));
        }
        return startsWithTwoUppercaseLetters;
    }

    @Override
    public String toParamName(String name) {
        // to avoid conflicts with 'callback' parameter for async call
        if ("callback".equals(name)) {
            return "paramCallback";
        }

        // should be the same as variable name
        return toVarName(name);
    }

    @Override
    public String toModelName(final String name) {
        // We need to check if import-mapping has a different model for this class, so we use it
        // instead of the auto-generated one.
        if (importMapping.containsKey(name)) {
            return importMapping.get(name);
        }

        final String sanitizedName = sanitizeName(name);

        String nameWithPrefixSuffix = sanitizedName;
        if (!StringUtils.isEmpty(modelNamePrefix)) {
            // add '_' so that model name can be camelized correctly
            nameWithPrefixSuffix = modelNamePrefix + "_" + nameWithPrefixSuffix;
        }

        if (!StringUtils.isEmpty(modelNameSuffix)) {
            // add '_' so that model name can be camelized correctly
            nameWithPrefixSuffix = nameWithPrefixSuffix + "_" + modelNameSuffix;
        }

        // camelize the model name
        // phone_number => PhoneNumber
        final String camelizedName = camelize(nameWithPrefixSuffix);

        // model name cannot use reserved keyword, e.g. return
        if (isReservedWord(camelizedName)) {
            final String modelName = "Model" + camelizedName;
            LOGGER.warn(camelizedName + " (reserved word) cannot be used as model name. Renamed to " + modelName);
            return modelName;
        }

        // model name starts with number
        if (camelizedName.matches("^\\d.*")) {
            final String modelName = "Model" + camelizedName; // e.g. 200Response => Model200Response (after camelize)
            LOGGER.warn(name + " (model name starts with number) cannot be used as model name. Renamed to " + modelName);
            return modelName;
        }

        return camelizedName;
    }

    @Override
    public String toModelFilename(String name) {
        // should be the same as the model name
        return toModelName(name);
    }

    @Override
    public String getTypeDeclaration(Schema p) {
        if (ModelUtils.isArraySchema(p)) {
            Schema items = getSchemaItems((ArraySchema) p);
            return getSchemaType(p) + "<" + getTypeDeclaration(ModelUtils.unaliasSchema(this.openAPI, items)) + ">";
        } else if (ModelUtils.isMapSchema(p)) {
            Schema inner = getSchemaAdditionalProperties(p);
            return getSchemaType(p) + "";
        }
        return super.getTypeDeclaration(p);
    }

    @Override
    public String getAlias(String name) {
        if (typeAliases != null && typeAliases.containsKey(name)) {
            return typeAliases.get(name);
        }
        return name;
    }

    @Override
    public String toDefaultValue(Schema schema) {
        schema = ModelUtils.getReferencedSchema(this.openAPI, schema);
        if (ModelUtils.isArraySchema(schema)) {
            final String pattern;
            if (fullJavaUtil) {
                pattern = "new java.util.ArrayList<%s>()";
            } else {
                pattern = "new ArrayList<%s>()";
            }

            Schema items = getSchemaItems((ArraySchema) schema);

            String typeDeclaration = getTypeDeclaration(items);
            Object java8obj = additionalProperties.get("java8");
            if (java8obj != null) {
                Boolean java8 = Boolean.valueOf(java8obj.toString());
                if (java8 != null && java8) {
                    typeDeclaration = "";
                }
            }

            return String.format(Locale.ROOT, pattern, typeDeclaration);
        } else if (ModelUtils.isMapSchema(schema)) {
            final String pattern;
            if (fullJavaUtil) {
                pattern = "new java.util.HashMap<%s>()";
            } else {
                pattern = "new HashMap<%s>()";
            }
            if (ModelUtils.getAdditionalProperties(schema) == null) {
                return null;
            }

            String typeDeclaration = String.format(Locale.ROOT, "String, %s", getTypeDeclaration(ModelUtils.getAdditionalProperties(schema)));
            Object java8obj = additionalProperties.get("java8");
            if (java8obj != null) {
                Boolean java8 = Boolean.valueOf(java8obj.toString());
                if (java8 != null && java8) {
                    typeDeclaration = "";
                }
            }

            return String.format(Locale.ROOT, pattern, typeDeclaration);
        } else if (ModelUtils.isIntegerSchema(schema)) {
            if (schema.getDefault() != null) {
                if (SchemaTypeUtil.INTEGER64_FORMAT.equals(schema.getFormat())) {
                    return schema.getDefault().toString() + "l";
                } else {
                    return schema.getDefault().toString();
                }
            }
            return null;
        } else if (ModelUtils.isNumberSchema(schema)) {
            if (schema.getDefault() != null) {
                if (SchemaTypeUtil.FLOAT_FORMAT.equals(schema.getFormat())) {
                    return schema.getDefault().toString() + "f";
                } else {
                    return schema.getDefault().toString() + "d";
                }
            }
            return null;
        } else if (ModelUtils.isBooleanSchema(schema)) {
            if (schema.getDefault() != null) {
                return schema.getDefault().toString();
            }
            return null;
        } else if (ModelUtils.isURISchema(schema)) {
            if (schema.getDefault() != null) {
                return "URI.create(\"" + escapeText((String) schema.getDefault()) + "\")";
            }
            return null;
        } else if (ModelUtils.isStringSchema(schema)) {
            if (schema.getDefault() != null) {
                String _default;
                if (schema.getDefault() instanceof Date){
                    Date date = (Date) schema.getDefault();
                    LocalDate localDate = date.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
                    return String.format(Locale.ROOT, localDate.toString(), "");
                }
                else{
                    _default = (String) schema.getDefault();
                }
                if (schema.getEnum() == null) {
                    return "\"" + escapeText(_default) + "\"";
                } else {
                    // convert to enum var name later in postProcessModels
                    return _default;
                }
            }
            return null;
        } else if (ModelUtils.isObjectSchema(schema)) {
            if (schema.getDefault() != null) {
                return super.toDefaultValue(schema);
            }
            return null;
        }

        return super.toDefaultValue(schema);
    }

    @Override
    public void setParameterExampleValue(CodegenParameter p) {
        String example;

        if (p.defaultValue == null) {
            example = p.example;
        } else {
            example = p.defaultValue;
        }

        String type = p.baseType;
        if (type == null) {
            type = p.dataType;
        }

        if ("String".equals(type)) {
            if (example == null) {
                example = p.paramName + "_example";
            }
            example = "\"" + escapeText(example) + "\"";
        } else if ("Integer".equals(type) || "Short".equals(type)) {
            if (example == null) {
                example = "56";
            }
        } else if ("Long".equals(type)) {
            if (example == null) {
                example = "56";
            }
            example = example + "L";
        } else if ("Float".equals(type)) {
            if (example == null) {
                example = "3.4";
            }
            example = example + "F";
        } else if ("Double".equals(type)) {
            example = "3.4";
            example = example + "D";
        } else if ("Boolean".equals(type)) {
            if (example == null) {
                example = "true";
            }
        } else if ("File".equals(type)) {
            if (example == null) {
                example = "/path/to/file";
            }
            example = "new File(\"" + escapeText(example) + "\")";
        } else if ("Date".equals(type)) {
            example = "new Date()";
        } else if (!languageSpecificPrimitives.contains(type)) {
            // type is a model class, e.g. User
            example = "new " + type + "()";
        }

        if (example == null) {
            example = "null";
        } else if (Boolean.TRUE.equals(p.isListContainer)) {

            if (p.items.defaultValue != null) {
                String innerExample;
                if ("String".equals(p.items.dataType)) {
                    innerExample = "\"" + p.items.defaultValue + "\"";
                } else {
                    innerExample = p.items.defaultValue;
                }
                example = "Arrays.asList(" + innerExample + ")";
            } else {
                example = "Arrays.asList()";
            }
        } else if (Boolean.TRUE.equals(p.isMapContainer)) {
            example = "new HashMap()";
        }

        p.example = example;
    }

    @Override
    public String toExampleValue(Schema p) {
        if (p.getExample() != null) {
            return escapeText(p.getExample().toString());
        } else {
            return null;
        }
    }

    @Override
    public String getSchemaType(Schema p) {
        String openAPIType = super.getSchemaType(p);

        // don't apply renaming on types from the typeMapping
        if (typeMapping.containsKey(openAPIType)) {
            return typeMapping.get(openAPIType);
        }

        if (null == openAPIType) {
            LOGGER.error("No Type defined for Schema " + p);
        }
        return toModelName(openAPIType);
    }

    @Override
    public String toOperationId(String operationId) {
        // throw exception if method name is empty
        if (StringUtils.isEmpty(operationId)) {
            throw new RuntimeException("Empty method/operation name (operationId) not allowed");
        }

        operationId = camelize(sanitizeName(operationId), true);

        // method name cannot use reserved keyword, e.g. return
        if (isReservedWord(operationId)) {
            String newOperationId = camelize("call_" + operationId, true);
            LOGGER.warn(operationId + " (reserved word) cannot be used as method name. Renamed to " + newOperationId);
            return newOperationId;
        }

        // operationId starts with a number
        if (operationId.matches("^\\d.*")) {
            LOGGER.warn(operationId + " (starting with a number) cannot be used as method sname. Renamed to " + camelize("call_" + operationId), true);
            operationId = camelize("call_" + operationId, true);
        }

        return operationId;
    }

    @Override
    public CodegenModel fromModel(String name, Schema model) {
        Map allDefinitions = ModelUtils.getSchemas(this.openAPI);
        CodegenModel codegenModel = super.fromModel(name, model);
        if (codegenModel.description != null) {
            codegenModel.imports.add("ApiModel");
        }
        if (codegenModel.discriminator != null && additionalProperties.containsKey("jackson")) {
            codegenModel.imports.add("JsonSubTypes");
            codegenModel.imports.add("JsonTypeInfo");
        }
        if (allDefinitions != null && codegenModel.parentSchema != null && codegenModel.hasEnums) {
            final Schema parentModel = allDefinitions.get(codegenModel.parentSchema);
            final CodegenModel parentCodegenModel = super.fromModel(codegenModel.parent, parentModel);
            codegenModel = AbstractJavaCodegen.reconcileInlineEnums(codegenModel, parentCodegenModel);
        }
        if ("BigDecimal".equals(codegenModel.dataType)) {
            codegenModel.imports.add("BigDecimal");
        }
        return codegenModel;
    }

    @Override
    public void postProcessModelProperty(CodegenModel model, CodegenProperty property) {
        if (serializeBigDecimalAsString) {
            if (property.baseType.equals("BigDecimal")) {

                // TODO: 5.0: Remove the camelCased vendorExtension below and ensure templates use the newer property naming.
                once(LOGGER).warn("4.3.0 has deprecated the use of vendor extensions which don't follow lower-kebab casing standards with x- prefix.");

                // we serialize BigDecimal as `string` to avoid precision loss
                property.vendorExtensions.put("extraAnnotation", "@JsonSerialize(using = ToStringSerializer.class)");  // TODO: 5.0 Remove
                property.vendorExtensions.put("x-extra-annotation", "@JsonSerialize(using = ToStringSerializer.class)");

                // this requires some more imports to be added for this model...
                model.imports.add("ToStringSerializer");
                model.imports.add("JsonSerialize");
            }
        }

        if (!fullJavaUtil) {
            if ("array".equals(property.containerType)) {
                model.imports.add("ArrayList");
            } else if ("map".equals(property.containerType)) {
                model.imports.add("HashMap");
            }
        }

        if (!BooleanUtils.toBoolean(model.isEnum)) {
            // needed by all pojos, but not enums
            model.imports.add("ApiModelProperty");
            model.imports.add("ApiModel");
        }
    }

    @Override
    public Map postProcessModels(Map objs) {
        // recursively add import for mapping one type to multiple imports
        List> recursiveImports = (List>) objs.get("imports");
        if (recursiveImports == null)
            return objs;

        ListIterator> listIterator = recursiveImports.listIterator();
        while (listIterator.hasNext()) {
            String _import = listIterator.next().get("import");
            // if the import package happens to be found in the importMapping (key)
            // add the corresponding import package to the list
            if (importMapping.containsKey(_import)) {
                Map newImportMap = new HashMap();
                newImportMap.put("import", importMapping.get(_import));
                listIterator.add(newImportMap);
            }
        }

        return postProcessModelsEnum(objs);
    }

    @Override
    public Map postProcessOperationsWithModels(Map objs, List allModels) {
        // Remove imports of List, ArrayList, Map and HashMap as they are
        // imported in the template already.
        List> imports = (List>) objs.get("imports");
        Pattern pattern = Pattern.compile("java\\.util\\.(List|ArrayList|Map|HashMap)");
        for (Iterator> itr = imports.iterator(); itr.hasNext(); ) {
            String itrImport = itr.next().get("import");
            if (pattern.matcher(itrImport).matches()) {
                itr.remove();
            }
        }
        return objs;
    }

    @Override
    public void preprocessOpenAPI(OpenAPI openAPI) {
        super.preprocessOpenAPI(openAPI);
        if (openAPI == null) {
            return;
        }
        if (openAPI.getPaths() != null) {
            for (String pathname : openAPI.getPaths().keySet()) {
                PathItem path = openAPI.getPaths().get(pathname);
                if (path.readOperations() == null) {
                    continue;
                }
                for (Operation operation : path.readOperations()) {
                    LOGGER.info("Processing operation " + operation.getOperationId());
                    if (hasBodyParameter(openAPI, operation) || hasFormParameter(openAPI, operation)) {
                        String defaultContentType = hasFormParameter(openAPI, operation) ? "application/x-www-form-urlencoded" : "application/json";
                        List consumes = new ArrayList<>(getConsumesInfo(openAPI, operation));
                        String contentType = consumes == null || consumes.isEmpty() ? defaultContentType : consumes.get(0);
                        operation.addExtension("x-contentType", contentType);
                    }
                    String accepts = getAccept(openAPI, operation);
                    operation.addExtension("x-accepts", accepts);

                }
            }
        }

        // TODO: Setting additionalProperties is not the responsibility of this method. These side-effects should be moved elsewhere to prevent unexpected behaviors.
        if(artifactVersion == null) {
            // If no artifactVersion is provided in additional properties, version from API specification is used.
            // If none of them is provided then fallbacks to default version
            if (additionalProperties.containsKey(CodegenConstants.ARTIFACT_VERSION) && additionalProperties.get(CodegenConstants.ARTIFACT_VERSION) != null) {
                this.setArtifactVersion((String) additionalProperties.get(CodegenConstants.ARTIFACT_VERSION));
            } else if (openAPI.getInfo() != null && openAPI.getInfo().getVersion() != null) {
                this.setArtifactVersion(openAPI.getInfo().getVersion());
            } else {
                this.setArtifactVersion(ARTIFACT_VERSION_DEFAULT_VALUE);
            }
        }
        additionalProperties.put(CodegenConstants.ARTIFACT_VERSION, artifactVersion);

        if (additionalProperties.containsKey(CodegenConstants.SNAPSHOT_VERSION)) {
            if (convertPropertyToBooleanAndWriteBack(CodegenConstants.SNAPSHOT_VERSION)) {
                this.setArtifactVersion(this.buildSnapshotVersion(this.getArtifactVersion()));
            }
        }
        additionalProperties.put(CodegenConstants.ARTIFACT_VERSION, artifactVersion);

    }

    private static String getAccept(OpenAPI openAPI, Operation operation) {
        String accepts = null;
        String defaultContentType = "application/json";
        Set producesInfo = getProducesInfo(openAPI, operation);
        if (producesInfo != null && !producesInfo.isEmpty()) {
            ArrayList produces = new ArrayList<>(producesInfo);
            StringBuilder sb = new StringBuilder();
            for (String produce : produces) {
                if (defaultContentType.equalsIgnoreCase(produce)) {
                    accepts = defaultContentType;
                    break;
                } else {
                    if (sb.length() > 0) {
                        sb.append(",");
                    }
                    sb.append(produce);
                }
            }
            if (accepts == null) {
                accepts = sb.toString();
            }
        } else {
            accepts = defaultContentType;
        }

        return accepts;
    }

    @Override
    protected boolean needToImport(String type) {
        return super.needToImport(type) && !type.contains(".");
    }

    @Override
    public String toEnumName(CodegenProperty property) {
        return sanitizeName(camelize(property.name)) + "Enum";
    }

    @Override
    public String toEnumVarName(String value, String datatype) {
        if (value.length() == 0) {
            return "EMPTY";
        }

        // for symbol, e.g. $, #
        if (getSymbolName(value) != null) {
            return getSymbolName(value).toUpperCase(Locale.ROOT);
        }

        // number
        if ("Integer".equals(datatype) || "Long".equals(datatype) ||
                "Float".equals(datatype) || "Double".equals(datatype) || "BigDecimal".equals(datatype)) {
            String varName = "NUMBER_" + value;
            varName = varName.replaceAll("-", "MINUS_");
            varName = varName.replaceAll("\\+", "PLUS_");
            varName = varName.replaceAll("\\.", "_DOT_");
            return varName;
        }

        // string
        String var = value.replaceAll("\\W+", "_").toUpperCase(Locale.ROOT);
        if (var.matches("\\d.*")) {
            return "_" + var;
        } else {
            return var;
        }
    }

    @Override
    public String toEnumValue(String value, String datatype) {
        if ("Integer".equals(datatype) || "Double".equals(datatype)) {
            return value;
        } else if ("Long".equals(datatype)) {
            // add l to number, e.g. 2048 => 2048l
            return value + "l";
        } else if ("Float".equals(datatype)) {
            // add f to number, e.g. 3.14 => 3.14f
            return value + "f";
        } else if ("BigDecimal".equals(datatype)) {
            // use BigDecimal String constructor
            return "new BigDecimal(\"" + value + "\")";
        } else {
            return "\"" + escapeText(value) + "\"";
        }
    }

    @Override
    public CodegenOperation fromOperation(String path, String httpMethod, Operation operation, List servers) {
        CodegenOperation op = super.fromOperation(path, httpMethod, operation, servers);
        op.path = sanitizePath(op.path);
        return op;
    }

    private static CodegenModel reconcileInlineEnums(CodegenModel codegenModel, CodegenModel parentCodegenModel) {
        // This generator uses inline classes to define enums, which breaks when
        // dealing with models that have subTypes. To clean this up, we will analyze
        // the parent and child models, look for enums that match, and remove
        // them from the child models and leave them in the parent.
        // Because the child models extend the parents, the enums will be available via the parent.

        // Only bother with reconciliation if the parent model has enums.
        if (!parentCodegenModel.hasEnums) {
            return codegenModel;
        }

        // Get the properties for the parent and child models
        final List parentModelCodegenProperties = parentCodegenModel.vars;
        List codegenProperties = codegenModel.vars;

        // Iterate over all of the parent model properties
        boolean removedChildEnum = false;
        for (CodegenProperty parentModelCodegenPropery : parentModelCodegenProperties) {
            // Look for enums
            if (parentModelCodegenPropery.isEnum) {
                // Now that we have found an enum in the parent class,
                // and search the child class for the same enum.
                Iterator iterator = codegenProperties.iterator();
                while (iterator.hasNext()) {
                    CodegenProperty codegenProperty = iterator.next();
                    if (codegenProperty.isEnum && codegenProperty.equals(parentModelCodegenPropery)) {
                        // We found an enum in the child class that is
                        // a duplicate of the one in the parent, so remove it.
                        iterator.remove();
                        removedChildEnum = true;
                    }
                }
            }
        }

        if (removedChildEnum) {
            // If we removed an entry from this model's vars, we need to ensure hasMore is updated
            int count = 0;
            int numVars = codegenProperties.size();
            for (CodegenProperty codegenProperty : codegenProperties) {
                count += 1;
                codegenProperty.hasMore = count < numVars;
            }
            codegenModel.vars = codegenProperties;
        }
        return codegenModel;
    }

    private static String sanitizePackageName(String packageName) {
        packageName = packageName.trim(); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.
        packageName = packageName.replaceAll("[^a-zA-Z0-9_\\.]", "_");
        if (Strings.isNullOrEmpty(packageName)) {
            return "invalidPackageName";
        }
        return packageName;
    }

    public String getInvokerPackage() {
        return invokerPackage;
    }

    public void setInvokerPackage(String invokerPackage) {
        this.invokerPackage = invokerPackage;
    }

    public String getGroupId() {
        return groupId;
    }

    public void setGroupId(String groupId) {
        this.groupId = groupId;
    }

    public String getArtifactId() {
        return artifactId;
    }

    public void setArtifactId(String artifactId) {
        this.artifactId = artifactId;
    }

    public String getArtifactVersion() {
        return artifactVersion;
    }

    public void setArtifactVersion(String artifactVersion) {
        this.artifactVersion = artifactVersion;
    }

    public String getArtifactUrl() {
        return artifactUrl;
    }

    public void setArtifactUrl(String artifactUrl) {
        this.artifactUrl = artifactUrl;
    }

    public String getArtifactDescription() {
        return artifactDescription;
    }

    public void setArtifactDescription(String artifactDescription) {
        this.artifactDescription = artifactDescription;
    }

    public String getScmConnection() {
        return scmConnection;
    }

    public void setScmConnection(String scmConnection) {
        this.scmConnection = scmConnection;
    }

    public String getScmDeveloperConnection() {
        return scmDeveloperConnection;
    }

    public void setScmDeveloperConnection(String scmDeveloperConnection) {
        this.scmDeveloperConnection = scmDeveloperConnection;
    }

    public String getScmUrl() {
        return scmUrl;
    }

    public void setScmUrl(String scmUrl) {
        this.scmUrl = scmUrl;
    }

    public String getDeveloperName() {
        return developerName;
    }

    public void setDeveloperName(String developerName) {
        this.developerName = developerName;
    }

    public String getDeveloperEmail() {
        return developerEmail;
    }

    public void setDeveloperEmail(String developerEmail) {
        this.developerEmail = developerEmail;
    }

    public String getDeveloperOrganization() {
        return developerOrganization;
    }

    public void setDeveloperOrganization(String developerOrganization) {
        this.developerOrganization = developerOrganization;
    }

    public String getDeveloperOrganizationUrl() {
        return developerOrganizationUrl;
    }

    public void setDeveloperOrganizationUrl(String developerOrganizationUrl) {
        this.developerOrganizationUrl = developerOrganizationUrl;
    }

    public String getLicenseName() {
        return licenseName;
    }

    public void setLicenseName(String licenseName) {
        this.licenseName = licenseName;
    }

    public String getLicenseUrl() {
        return licenseUrl;
    }

    public void setLicenseUrl(String licenseUrl) {
        this.licenseUrl = licenseUrl;
    }

    public String getSourceFolder() {
        return sourceFolder;
    }

    public void setSourceFolder(String sourceFolder) {
        this.sourceFolder = sourceFolder;
    }

    public String getTestFolder() {
        return testFolder;
    }

    public void setTestFolder(String testFolder) {
        this.testFolder = testFolder;
    }

    public void setSerializeBigDecimalAsString(boolean s) {
        this.serializeBigDecimalAsString = s;
    }

    public Boolean getSerializableModel() {
        return serializableModel;
    }

    public void setSerializableModel(Boolean serializableModel) {
        this.serializableModel = serializableModel;
    }

    private String sanitizePath(String p) {
        //prefer replace a ", instead of a fuLL URL encode for readability
        return p.replaceAll("\"", "%22");
    }

    public void setFullJavaUtil(boolean fullJavaUtil) {
        this.fullJavaUtil = fullJavaUtil;
    }

    public void setWithXml(boolean withXml) {
        this.withXml = withXml;
    }

    public String getDateLibrary() {
        return dateLibrary;
    }

    public void setDateLibrary(String library) {
        this.dateLibrary = library;
    }

    public void setJava8Mode(boolean enabled) {
        this.java8Mode = enabled;
    }

    public void setSupportAsync(boolean enabled) {
        this.supportAsync = enabled;
    }

    public void setDisableHtmlEscaping(boolean disabled) {
        this.disableHtmlEscaping = disabled;
    }

    public String getBooleanGetterPrefix() {
        return booleanGetterPrefix;
    }

    public void setBooleanGetterPrefix(String booleanGetterPrefix) {
        this.booleanGetterPrefix = booleanGetterPrefix;
    }

    @Override
    public String escapeQuotationMark(String input) {
        // remove " to avoid code injection
        return input.replace("\"", "");
    }

    @Override
    public String escapeUnsafeCharacters(String input) {
        return input.replace("*/", "*_/").replace("/*", "/_*");
    }

    /*
     * Derive invoker package name based on the input
     * e.g. foo.bar.model => foo.bar
     *
     * @param input API package/model name
     * @return Derived invoker package name based on API package/model name
     */
    private String deriveInvokerPackageName(String input) {
        String[] parts = input.split(Pattern.quote(".")); // Split on period.

        StringBuilder sb = new StringBuilder();
        String delim = "";
        for (String p : Arrays.copyOf(parts, parts.length - 1)) {
            sb.append(delim).append(p);
            delim = ".";
        }
        return sb.toString();
    }

    /**
     * Builds a SNAPSHOT version from a given version.
     *
     * @param version
     * @return SNAPSHOT version
     */
    private String buildSnapshotVersion(String version) {
        if (version.endsWith("-SNAPSHOT")) {
            return version;
        }
        return version + "-SNAPSHOT";
    }

    public void setSupportJava6(boolean value) {
        this.supportJava6 = value;
    }

    @Override
    public String toRegularExpression(String pattern) {
        return escapeText(pattern);
    }

    /**
     * Output the Getter name for boolean property, e.g. isActive
     *
     * @param name the name of the property
     * @return getter name based on naming convention
     */
    @Override
    public String toBooleanGetter(String name) {
        return booleanGetterPrefix + getterAndSetterCapitalize(name);
    }

    @Override
    public String sanitizeTag(String tag) {
        tag = camelize(underscore(sanitizeName(tag)));

        // tag starts with numbers
        if (tag.matches("^\\d.*")) {
            tag = "Class" + tag;
        }
        return tag;
    }

    /**
     * Camelize the method name of the getter and setter
     *
     * @param name string to be camelized
     * @return Camelized string
     */
    @Override
    public String getterAndSetterCapitalize(String name) {
        boolean lowercaseFirstLetter = false;
        if (name == null || name.length() == 0) {
            return name;
        }
        name = toVarName(name);
        //
        // Let the property name capitalized
        // except when the first letter of the property name is lowercase and the second letter is uppercase
        // Refer to section 8.8: Capitalization of inferred names of the JavaBeans API specification
        // http://download.oracle.com/otn-pub/jcp/7224-javabeans-1.01-fr-spec-oth-JSpec/beans.101.pdf)
        //
        if (name.length() > 1 && Character.isLowerCase(name.charAt(0)) && Character.isUpperCase(name.charAt(1))) {
            lowercaseFirstLetter = true;
        }
        return camelize(name, lowercaseFirstLetter);
    }

    @Override
    public void postProcessFile(File file, String fileType) {
        if (file == null) {
            return;
        }

        String javaPostProcessFile = System.getenv("JAVA_POST_PROCESS_FILE");
        if (StringUtils.isEmpty(javaPostProcessFile)) {
            return; // skip if JAVA_POST_PROCESS_FILE env variable is not defined
        }

        // only process files with java extension
        if ("java".equals(FilenameUtils.getExtension(file.toString()))) {
            String command = javaPostProcessFile + " " + file.toString();
            try {
                Process p = Runtime.getRuntime().exec(command);
                p.waitFor();
                int exitValue = p.exitValue();
                if (exitValue != 0) {
                    LOGGER.error("Error running the command ({}). Exit value: {}", command, exitValue);
                } else {
                    LOGGER.info("Successfully executed: " + command);
                }
            } catch (Exception e) {
                LOGGER.error("Error running the command ({}). Exception: {}", command, e.getMessage());
            }
        }
    }

    public void setParentGroupId(final String parentGroupId) {
        this.parentGroupId = parentGroupId;
    }

    public void setParentArtifactId(final String parentArtifactId) {
        this.parentArtifactId = parentArtifactId;
    }

    public void setParentVersion(final String parentVersion) {
        this.parentVersion = parentVersion;
    }

    public void setParentOverridden(final boolean parentOverridden) {
        this.parentOverridden = parentOverridden;
    }

    public void setAdditionalModelTypeAnnotations(final List additionalModelTypeAnnotations) {
        this.additionalModelTypeAnnotations = additionalModelTypeAnnotations;
    }

    @Override
    protected void addAdditionPropertiesToCodeGenModel(CodegenModel codegenModel, Schema schema) {
        super.addAdditionPropertiesToCodeGenModel(codegenModel, schema);

        // See https://github.com/OpenAPITools/openapi-generator/pull/1729#issuecomment-449937728
        codegenModel.additionalPropertiesType = getSchemaType(ModelUtils.getAdditionalProperties(schema));
        addImport(codegenModel, codegenModel.additionalPropertiesType);
    }
}
    
    
    
    

    




    
    
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